Digital Radio Services, by type of license

SoundExchange has updated their website, and has some interesting data on the number of webcasters operating under the different classes of services.

Number of services paying royalties under the statutory license by license type (2004-2006)

Service	2004	2005	2006
Commercial Webcasters	130	312	588
SWSA Commercial Webcasters	24	30	52
Noncommercial Webcasters	279	299	352
Preexisting Services	3	3	2
Satellite Digital Audio Radio Services	2	2	2
Business Establishment Services	1	4	3
New Types of New Subscription Services	0	2	2